import  book.BookList;
import  user.AdminUser;
import  user.NormalUser;
import  user.User;
import java.util.Scanner;
public class Main {
    public static User login() {
        System.out.println("请输入你的姓名：");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        System.out.println("请输入你的身份，1：管理员  2：普通用户-》");
        int choice = scanner.nextInt();
        if(choice == 1) {
            return new AdminUser(name);
        }else {
            return new NormalUser(name);
        }
    }

    public static void main(String[] args) {

        BookList bookList = new BookList();
        //此时这个user到底指向的是 管理员对象 还是 普通用户对象 不知道的
        // user =  new AdminUser(name);
        // user =  new NormalUser(name);
        User user = login();
        while (true) {
            int choice = user.menu();
            //根据你菜单返回的choice来执行对应的操作
            user.doOperation(choice, bookList);
        }
    }
}
